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Loans and Leases - Schedule of Past Due Loans and Leases (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Total | $ 4,859,517 | $ 4,837,735
Less: unearned income and deferred costs and fees | (3,715) | (3,796)
Total loans and leases, net of unearned income and deferred costs and fees | 4,855,802 | 4,833,939
Originated Loans and Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 4,601,650 | 4,556,048
Total | 4,612,198 | 4,572,537
90 days and accruing | 0 | 0
Nonaccrual | 16,543 | 19,340
Less: unearned income and deferred costs and fees | (3,715) | (3,796)
Less: unearned income and deferred costs and fees, Current Loans | (3,715) | (3,796)
Less: unearned income and deferred costs and fees, 90 days and accruing | 0 | 0
Less: unearned income and deferred costs and fees, Nonaccrual | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 4,608,483 | 4,568,741
Total originated loans and leases, net of unearned income and deferred costs and fees, current loans | 4,597,935 | 4,552,252
Originated Loans and Leases | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 3,883 | 7,838
Less: unearned income and deferred costs and fees | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 3,883 | 7,838
Originated Loans and Leases | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 6,665 | 8,651
Less: unearned income and deferred costs and fees | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 6,665 | 8,651
Total Acquired Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 244,695 | 262,510
Total | 247,319 | 265,198
90 days and accruing | 1,229 | 1,316
Nonaccrual | 2,363 | 2,856
Less: unearned income and deferred costs and fees | 0 | 0
Total loans and leases, net of unearned income and deferred costs and fees | 247,319 | 265,198
Total Acquired Loans | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 493 | 67
Total Acquired Loans | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 2,131 | 2,621
Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 1,043,789 | 1,077,635
Commercial and industrial | Agriculture |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 93,406 | 107,494
Commercial and industrial | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 950,383 | 970,141
Commercial and industrial | Originated Loans and Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 999,741 | 1,029,897
Total | 1,002,351 | 1,033,923
90 days and accruing | 0 | 0
Nonaccrual | 1,867 | 1,861
Commercial and industrial | Originated Loans and Leases | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 170 | 2,367
Commercial and industrial | Originated Loans and Leases | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 2,440 | 1,659
Commercial and industrial | Originated Loans and Leases | Agriculture |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 93,406 | 107,494
Total | 93,406 | 107,494
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Commercial and industrial | Originated Loans and Leases | Agriculture | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial and industrial | Originated Loans and Leases | Agriculture | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial and industrial | Originated Loans and Leases | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 906,335 | 922,403
Total | 908,945 | 926,429
90 days and accruing | 0 | 0
Nonaccrual | 1,867 | 1,861
Commercial and industrial | Originated Loans and Leases | Other | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 170 | 2,367
Commercial and industrial | Originated Loans and Leases | Other | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 2,440 | 1,659
Commercial and industrial | Total Acquired Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 41,433 | 43,702
Total | 41,438 | 43,712
90 days and accruing | 5 | 10
Nonaccrual | 7 | 22
Commercial and industrial | Total Acquired Loans | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial and industrial | Total Acquired Loans | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 5 | 10
Commercial and industrial | Total Acquired Loans | Agriculture |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 0 | 0
Commercial and industrial | Total Acquired Loans | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 41,433 | 43,702
Total | 41,438 | 43,712
90 days and accruing | 5 | 10
Nonaccrual | 7 | 22
Commercial and industrial | Total Acquired Loans | Other | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial and industrial | Total Acquired Loans | Other | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 5 | 10
Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 2,401,976 | 2,340,661
Commercial real estate | Agriculture |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 180,698 | 170,229
Commercial real estate | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 2,034,240 | 2,004,763
Commercial real estate | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 187,038 | 165,669
Commercial real estate | Originated Loans and Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 2,232,997 | 2,158,441
Total | 2,235,213 | 2,161,569
90 days and accruing | 0 | 0
Nonaccrual | 5,230 | 7,691
Commercial real estate | Originated Loans and Leases | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 775 | 1,272
Commercial real estate | Originated Loans and Leases | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 1,441 | 1,856
Commercial real estate | Originated Loans and Leases | Agriculture |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 180,330 | 169,934
Total | 180,479 | 170,005
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Commercial real estate | Originated Loans and Leases | Agriculture | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 149 | 71
Commercial real estate | Originated Loans and Leases | Agriculture | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial real estate | Originated Loans and Leases | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 1,867,200 | 1,824,222
Total | 1,869,057 | 1,827,279
90 days and accruing | 0 | 0
Nonaccrual | 5,230 | 7,691
Commercial real estate | Originated Loans and Leases | Other | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 416 | 1,201
Commercial real estate | Originated Loans and Leases | Other | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 1,441 | 1,856
Commercial real estate | Originated Loans and Leases | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 185,467 | 164,285
Total | 185,677 | 164,285
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Commercial real estate | Originated Loans and Leases | Construction | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 210 | 0
Commercial real estate | Originated Loans and Leases | Construction | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial real estate | Total Acquired Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 165,928 | 178,253
Total | 166,763 | 179,092
90 days and accruing | 551 | 525
Nonaccrual | 309 | 316
Commercial real estate | Total Acquired Loans | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial real estate | Total Acquired Loans | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 835 | 839
Commercial real estate | Total Acquired Loans | Agriculture |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 219 | 224
Total | 219 | 224
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Commercial real estate | Total Acquired Loans | Agriculture | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial real estate | Total Acquired Loans | Agriculture | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial real estate | Total Acquired Loans | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 164,348 | 176,645
Total | 165,183 | 177,484
90 days and accruing | 551 | 525
Nonaccrual | 309 | 316
Commercial real estate | Total Acquired Loans | Other | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial real estate | Total Acquired Loans | Other | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 835 | 839
Commercial real estate | Total Acquired Loans | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 1,361 | 1,384
Total | 1,361 | 1,384
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Commercial real estate | Total Acquired Loans | Construction | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Commercial real estate | Total Acquired Loans | Construction | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Residential real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 1,324,206 | 1,333,894
Residential real estate | Home equity |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 222,713 | 229,608
Residential real estate | Mortgages |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 1,101,493 | 1,104,286
Residential real estate | Originated Loans and Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 1,280,739 | 1,283,529
Total | 1,285,893 | 1,292,261
90 days and accruing | 0 | 0
Nonaccrual | 9,267 | 9,554
Residential real estate | Originated Loans and Leases | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 2,410 | 3,679
Residential real estate | Originated Loans and Leases | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 2,744 | 5,053
Residential real estate | Originated Loans and Leases | Home equity |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 202,439 | 206,447
Total | 204,058 | 208,459
90 days and accruing | 0 | 0
Nonaccrual | 1,984 | 1,784
Residential real estate | Originated Loans and Leases | Home equity | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 927 | 986
Residential real estate | Originated Loans and Leases | Home equity | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 692 | 1,026
Residential real estate | Originated Loans and Leases | Mortgages |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 1,078,300 | 1,077,082
Total | 1,081,835 | 1,083,802
90 days and accruing | 0 | 0
Nonaccrual | 7,283 | 7,770
Residential real estate | Originated Loans and Leases | Mortgages | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 1,483 | 2,693
Residential real estate | Originated Loans and Leases | Mortgages | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 2,052 | 4,027
Residential real estate | Total Acquired Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 36,529 | 39,797
Total | 38,313 | 41,633
90 days and accruing | 673 | 781
Nonaccrual | 2,047 | 2,518
Residential real estate | Total Acquired Loans | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 493 | 64
Residential real estate | Total Acquired Loans | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 1,291 | 1,772
Residential real estate | Total Acquired Loans | Home equity |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 17,902 | 20,300
Total | 18,655 | 21,149
90 days and accruing | 59 | 59
Nonaccrual | 1,053 | 1,414
Residential real estate | Total Acquired Loans | Home equity | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 492 | 46
Residential real estate | Total Acquired Loans | Home equity | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 261 | 803
Residential real estate | Total Acquired Loans | Mortgages |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 18,627 | 19,497
Total | 19,658 | 20,484
90 days and accruing | 614 | 722
Nonaccrual | 994 | 1,104
Residential real estate | Total Acquired Loans | Mortgages | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 1 | 18
Residential real estate | Total Acquired Loans | Mortgages | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 1,030 | 969
Consumer and other |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 73,689 | 70,989
Consumer and other | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 59,686 | 58,326
Consumer and other | Indirect |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 14,003 | 12,663
Consumer and other | Originated Loans and Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 72,316 | 69,625
Total | 72,884 | 70,228
90 days and accruing | 0 | 0
Nonaccrual | 179 | 234
Consumer and other | Originated Loans and Leases | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 528 | 520
Consumer and other | Originated Loans and Leases | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 40 | 83
Consumer and other | Originated Loans and Leases | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 58,658 | 57,354
Total | 58,881 | 57,565
90 days and accruing | 0 | 0
Nonaccrual | 74 | 79
Consumer and other | Originated Loans and Leases | Other | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 205 | 187
Consumer and other | Originated Loans and Leases | Other | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 18 | 24
Consumer and other | Originated Loans and Leases | Indirect |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 13,658 | 12,271
Total | 14,003 | 12,663
90 days and accruing | 0 | 0
Nonaccrual | 105 | 155
Consumer and other | Originated Loans and Leases | Indirect | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 323 | 333
Consumer and other | Originated Loans and Leases | Indirect | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 22 | 59
Consumer and other | Total Acquired Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 805 | 758
Total | 805 | 761
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Consumer and other | Total Acquired Loans | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 3
Consumer and other | Total Acquired Loans | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Consumer and other | Total Acquired Loans | Other |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 805 | 758
Total | 805 | 761
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Consumer and other | Total Acquired Loans | Other | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 3
Consumer and other | Total Acquired Loans | Other | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Consumer and other | Total Acquired Loans | Indirect |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 0 | 0
Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Total | 15,857 | 14,556
Leases | Originated Loans and Leases |  |
Financing Receivable, Past Due [Line Items] |  |
Current Loans | 15,857 | 14,556
Total | 15,857 | 14,556
90 days and accruing | 0 | 0
Nonaccrual | 0 | 0
Leases | Originated Loans and Leases | 30-89 days |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Leases | Originated Loans and Leases | 90 days or more |  |
Financing Receivable, Past Due [Line Items] |  |
Past due | 0 | 0
Leases | Total Acquired Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total | $ 0 | $ 0

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- Definition Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=84165051&loc=d3e45377-112738 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84159169&loc=d3e10152-111534 + Details
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